package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApUnlikeBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.dtos.UnLikesBehaviorDTO;
import com.heima.model.user.pojos.ApUnlikesBehavior;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
@Slf4j
public class ApUnlikeBehaviorServiceImpl implements ApUnlikeBehaviorService {
    @Autowired
    MongoTemplate mongoTemplate;

    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    @Override
    public ResponseResult unlikeBehavior(UnLikesBehaviorDTO dto) {
       // 1. 校验参数 文章id不能为空  需要登录 不喜欢类型取值为 0 或 1
            if (dto.getArticleId()==null){
                CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST,"文章id不能为空");
            }
        ApUser user = AppThreadLocalUtils.getUser();
            if (user==null){
                CustException.cust(AppHttpCodeEnum.NEED_LOGIN,"需要登录");
            }
        // 2. 查询行为实体数据
        ApBehaviorEntry behaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
            if (behaviorEntry==null){
                CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST);
            }
//
        //3. 如果是 不喜欢操作 查询不喜欢行为是否存在
        Query query = Query.query(Criteria.where("entryId").is(behaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApUnlikesBehavior unlikesBehavior = mongoTemplate.findOne(query, ApUnlikesBehavior.class);
        if (unlikesBehavior!=null && dto.getType().intValue() ==0){
        CustException.cust(AppHttpCodeEnum.DATA_EXIST,"你已经设置为不喜欢");
        }
        //4. 如果不存在   添加不喜欢行为
        if (dto.getType().intValue()==0){
            unlikesBehavior = new ApUnlikesBehavior();
            unlikesBehavior.setEntryId(behaviorEntry.getId());
            unlikesBehavior.setArticleId(dto.getArticleId());
            unlikesBehavior.setType((short) 0);
            unlikesBehavior.setCreatedTime(new Date());
            mongoTemplate.save(unlikesBehavior);

        }else {
            // 5. 如果是 取消不喜欢操作  删除对应的不喜欢数据
            mongoTemplate.remove(query,ApUnlikesBehavior.class);
        }

        return ResponseResult.okResult();
    }
}
